Devotion to his art! Christian Bale, who piled on pounds to play Dick Cheney, shows off his paunch as he talks up new western film Hostiles
He was with Rosamund Pike and Wes Studi to chat about their new Western, Hostiles, at the Build Series studios in New York on Monday.
And Christian Bale showed off the weight he gained to play Dick Cheney, President George W. Bush's Vice President, in Backseat.
The 43-year-old piled on the pounds to play the man touted as the most powerful VP in history in the biopic that follows him during the tumultuous years from 2001 to 2009.
![Heavyweight star: Christian Bale, who bulked up to play President George W. Bush's Vice President Dick Cheney in Backseat, turned up for an interview about his new Western, Hostiles, at the Build Series studios in New York on Monday](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/476FEEBE00000578-0-image-m-31_1513642417842.jpg)
Heavyweight star: Christian Bale, who bulked up to play President George W. Bush's Vice President Dick Cheney in Backseat, turned up for an interview about his new Western, Hostiles, at the Build Series studios in New York on Monday
The Welsh-born actor covered his still hefty chest and bulging tummy with a black T-shirt and a zip up jacket that he teamed with baggy camouflage pants.
Rosamund, 38, looked chic in a white lace top and black skinny pants as she stood between him and Wes.
The 72-year-old sported a blue sweater and black jeans with a dark blue scarf around his neck and a cap on his head.
![Different shape: The 43-year-old was seen on set as Cheney in back in September](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/4770895D00000578-0-image-m-33_1513642741795.jpg)
Different shape: The 43-year-old was seen on set as Cheney in back in September
![Speaking at Build: With all the weight around his face, Christian is a dead ringer for Cheney, right, even without make up and a wig](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/4770695600000578-0-image-a-40_1513643138551.jpg)
![Speaking at Build: With all the weight around his face, Christian is a dead ringer for Cheney, right, even without make up and a wig](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/477082AB00000578-0-image-m-39_1513643127123.jpg)
Speaking at Build: With all the weight around his face, Christian is a dead ringer for Cheney, right, even without make up and a wig
![Committed actor: Christian has a history of committing to his roles](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/07/4770674600000578-5192761-image-m-129_1513670007248.jpg)
Committed actor: Christian has a history of committing to his roles
![Camouflage trousers: The actor kept it casual in green camo pants while discussing Hostiles](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/07/477066C200000578-5192761-image-m-131_1513670034612.jpg)
Camouflage trousers: The actor kept it casual in green camo pants while discussing Hostiles
Christian is no stranger to changing his physical appearance for roles.
The actor bulked up his muscle mass for American Psycho in 2000.
Then he famously lost 65 pounds after eating only an apple and a can of tuna a day to become the emaciated Trevor Reznik in The Machinist in 2004.
![Pecs appeal: The actor, who hails from Wales, honed his body for Psycho](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/4770773400000578-0-image-a-41_1513643166783.jpg)
Pecs appeal: The actor, who hails from Wales, honed his body for Psycho
![Scarily emaciated: Then he famously lost 65 pounds after eating only an apple and a can of tuna a day for The Machinist in 2004](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/4770773800000578-0-image-m-43_1513643190349.jpg)
Scarily emaciated: Then he famously lost 65 pounds after eating only an apple and a can of tuna a day for The Machinist in 2004
He regained his pecs appeal and six-pack to play Batman in the Dark Knight films in 2008 and 2012.
And he lost all the muscle tone and sported a pot belly in 2013's American Hustle.
Talking to the UK's Independent newspaper at the Toronto Film Festival in September, Christian explained how he put on the pounds for Cheney.
![There are muscles under that suit: Christian bulked up to play the Caped Crusader in Batman Begins in 2005](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/4770774800000578-5192761-image-a-51_1513644061110.jpg)
There are muscles under that suit: Christian bulked up to play the Caped Crusader in Batman Begins in 2005
![Letting it all hang out: The star's belly hung over his belt in 2013's American Hustle, which won him an Oscar nomination.](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/4770773000000578-5192761-image-a-52_1513644158129.jpg)
Letting it all hang out: The star's belly hung over his belt in 2013's American Hustle, which won him an Oscar nomination.
'I've just been eating a lot of pies,' he joked.
Christian's role in Hostiles didn't require him to change his body too much.
He plays an Army captain escorting a dying Cheyenne chief, played by Wes, and his family back to their home in Montana in 1892. It's due for release on Friday.
![Coming soon: Rosamund and Christian co-star in Hostiles due out on Friday](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/07/4770668000000578-5192761-image-m-128_1513669945553.jpg)
Coming soon: Rosamund and Christian co-star in Hostiles due out on Friday
![Talking up his movie: Bale was making a promotional appearance to promote the film Hostiles which opens Friday and was joned by his co-stars Wes Studi and Rosamund Pike](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/477001BC00000578-5192761-image-m-54_1513644349800.jpg)
On the promo trail: Christian was joined by Wes Studi and Rosamund Pike at the Build Studios
![Fan favorite: The actor stopped to sign autographs for fans](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/07/477075D000000578-5192761-image-a-127_1513669938772.jpg)
Fan favorite: The actor stopped to sign autographs for fans
![Western drama: In Hostiles, Bale plays an army captain tasked with escorting a dying Cheyenne war chief (Studi) back to his tribal homeland in 1892. Along the way they encounter a widow (Pike) who joins them on the journey through hostile territory](http://web.archive.org./web/20190515005602/https://i.dailymail.co.uk/i/pix/2017/12/19/00/476C940B00000578-5192761-image-m-56_1513644531378.jpg)
Period piece: Christian's role in Hostiles, set in Montana in 1982, didn't require him to change his body too much. The western is due out on Friday
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